发明人杨光,孙丽萍,林芳. "Method for the Synthesis of 3-Bromo-7-(methylcarbamoyl)benzofuran-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112590929 A, 授权公告日 2022-05-07.
发明人胡光,冯建国,罗永刚. "A Process for Preparing High-Purity 3-Bromo-7-(methylcarbamoyl)benzofuran-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114608118 A, 授权公告日 2023-04-28.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2019, 2366, (10), 2272-2277.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2021, 1903, 4196-4216.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 3-Bromo-7-(methylcarbamoyl)benzofuran-5-carboxylic acid Using HRMS and NMR". Anal. Methods, 2017, 1046, (3), 7084-7092.